Method and device for vacuum electro-osmotic drainage for reinforcing dredged silt soil

A technology of dredging sludge filling and electroosmosis, which is applied in soil protection, construction, infrastructure engineering, etc., can solve problems such as failure to achieve organic integration, inconsistent directions, energy waste, etc., achieve good consolidation and densification, save construction period, shorten the effect of time

Active Publication Date: 2013-04-03
厦门合诚水运工程咨询有限公司
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  • Claims
  • Application Information

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Problems solved by technology

However, the existing methods simply superimpose the two methods without realizing an organic combination.
In the previous method, the water flow generated by vacuum is vertical, while the water flow generated by electroosmosis is horizontal, and the directions are ...

Method used

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  • Method and device for vacuum electro-osmotic drainage for reinforcing dredged silt soil
  • Method and device for vacuum electro-osmotic drainage for reinforcing dredged silt soil
  • Method and device for vacuum electro-osmotic drainage for reinforcing dredged silt soil

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Embodiment Construction

[0032] Such as figure 1 As shown, the plug-in machine used for sludge beating includes hoist (1), engine (2), pile pipe (5), control room (8), vibratory hammer (9), operating platform (10), operating platform (10) Four pontoon tanks (3) are respectively installed in the four corners below, impellers (4) are installed between the pontoon tanks, the impeller blades are connected to the engine (2) through bearings and V-belts, and a gantry is installed on the operating platform (10) Frame (7), pile pipe track (6) is set between gantry (7).

[0033] The vacuum electroosmotic drainage method for reinforcing dredging and filling mud with the above-mentioned plug-in machine includes the following steps:

[0034] 1) Make and pre-embed the anode (20). Spread iron rods about 10m long and 24~32mm in diameter at the site design position, and fix them to prevent them from moving during filling. The positive electrode is connected with lead wire (18) and drawn out of the purge filling ar...

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Abstract

The invention relates to a vacuum electro-osmotic drainage method for reinforcing dredged silt soil and a panel sliding machine for the vacuum electro-osmotic drainage method, and is suitable for large-area sea land reclaiming and low-lying land filling engineering. The method comprises the following technical steps of (1) embedding anodes; (2) dredging; (3) punching drainage panels on a silt surface, wherein the panel sliding machine can travel on the silt surface, move left and right, punch the drainage panels, and the like, and the punching depth of the drainage panels is 7m to 8m; (4) paving a weaving fabric; (5) paving cathodes, wherein the cathodes are respectively made of EKG (electro-kinetic geosynthetics) material to form a perforated filter tube shape, and then the cathodes can replace part of horizontal drainage branch pipes; and (6) paving vacuum films, and carrying out vacuum punching and electro-osmotic treatment. The method has the advantages that the cathodes and the anodes are arranged at the middle part, the upper part and the lower part of a soil layer in the electro-osmotic process, the drainage panels are punched by the panel sliding machine, and the vacuum precompression, the electro-osmotic treatment and the water covering precompression are combined together, so the advantages are complemented; and the method is especially suitable for the newly dredged soil with small permeability coefficients, the treatment work period is greatly shortened, and the treatment effect is improved.

Description

technical field [0001] The invention relates to a vacuum electroosmotic drainage method for reinforcing dredging and filling silt soil and a plate inserting machine for silt beating. It is suitable for dredging land reclamation, especially for large-area land reclamation or low-lying land filling projects, and belongs to Water conservancy engineering, civil engineering, environmental engineering. Background technique [0002] The dredged silt soil has the characteristics of high water content, strong compressibility, poor permeability, low bearing capacity, and long consolidation time. In order to speed up coastal development, foundation treatment must be carried out. Through foundation treatment, the purpose of improving the bearing capacity of the site, eliminating uneven settlement and controlling post-construction settlement is achieved. Since the dredged silt soil has almost no bearing capacity, various inserting machines currently on the market cannot be used due to d...

Claims

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Application Information

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IPC IPC(8): E02D3/11
Inventor 刘志浩高明军曾国海
Owner 厦门合诚水运工程咨询有限公司
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